Abstract

We investigated poly(styrene) (PSt)-based graded-index plastic optical fiber (GI-POF) with low loss and high bandwidth for home networks. To install the GI-POF in home networks, the attenuation must be below $200\mathrm{dB}/\mathrm{km}$ at a 670–680 nm wavelength, and the bandwidth must be over 2.0 GHz for the 50 m fiber. In this study, we selected a dibenzothiophene (DBT) as a dopant to PSt, and we fabricated PSt-DBT-based GI-POF. We confirmed that the PSt-DBT-based GI-POF has high bandwidth (4.4 GHz) for 50 m fiber and low loss ($166–193\mathrm{dB}/\mathrm{km}$) at a 670–680 nm wavelength and obtained the GI-POF that satisfied the requirements for home networks.

©2012 Optical Society of America

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